proxmox:
  hosts:
    proxmox-ve:
      ansible_host: 172.17.1.250
    proxmox-backup:
      ansible_host: backup.stines.de
    proxmox-test:
      ansible_host: 94.130.17.156

devops:
  hosts:
    jenkins:
      ansible_host: 172.17.1.117
    jenkins-agent:
      ansible_host: 172.17.1.118

Test